package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.common.minio.MinioConfiguration;
import com.atguigu.lease.common.minio.MinioProperties;
import com.atguigu.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

@Autowired
private MinioProperties minioProperties;
    @Autowired
    private MinioClient minioClient;

    @Override
    public String fileUpdate(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {
       boolean exists =minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperties.getBucketName()).build());
        if(!exists){
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperties.getBucketName()).build());
        String polity="""
                  {
                    "Statement" : [ {
                      "Action" : "s3:GetObject",
                      "Effect" : "Allow",
                      "Principal" : "*",
                      "Resource" : "arn:aws:s3:::%s/*"
                    } ],
                    "Version" : "2012-10-17"
                  }
                  """;
            polity = polity.formatted(minioProperties.getBucketName());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperties.getBucketName()).config(polity).build());
        }
String nowDay=new SimpleDateFormat("yyyyMMdd").format(new Date());
        String objectName=nowDay+"/"+ UUID.randomUUID().toString().replace("-","")+file.getOriginalFilename();
       minioClient.putObject(PutObjectArgs.builder().bucket(minioProperties.getBucketName()).
               stream(file.getInputStream(),file.getSize(),-1).
               object(objectName).
               contentType(file.getContentType()).build());
        String url = String.join("/", minioProperties.getEndpoint(), minioProperties.getBucketName(), objectName);
        return url;
    }
}
